The recommended prescription dose for Xenical is one capsule (120 mg) three times daily. The recommended dose for alli is 60 mg three times daily. Orlistat should be taken one hour after or during a meal containing about 15 mg of fat. Meals without fat do not require orlistat. No additional benefit has been shown when orlistat was taken in doses greater than 120 mg. Patients should eat a nutritionally balanced, reduced calorie diet that contains approximately 30% of calories from fat. alli includes an individually tailored online weight loss support program.

Prescription (Rx) Xenical

Adults and Children 12 yr of age and older: 120 mg 3 times daily with each main meal containing fat, during or up to 1 h after meal.

Over The Counter Alli

Adults: 60 mg with each fat-containing meal (max, 3 doses daily).